[S390] secure computing arch backend

[firefly-linux-kernel-4.4.55.git] / arch / s390 / kernel / entry64.S

diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 84a105838e03d2765723a3b995d00133e434ea11..3cec9b504f5f52fb2af83f004e442ec3784c393d 100644 (file)
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -56,6 +56,7 @@ _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
                 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
 _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
                 _TIF_MCCK_PENDING)
+_TIF_SYSCALL = (_TIF_SYSCALL_TRACE>>8 | _TIF_SYSCALL_AUDIT>>8 | _TIF_SECCOMP>>8)
 
 #define BASED(name) name-system_call(%r13)
 
@@ -260,7 +261,7 @@ sysc_do_restart:
        larl    %r10,sys_call_table_emu  # use 31 bit emulation system calls
 sysc_noemu:
 #endif
-       tm      __TI_flags+7(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT)
+       tm      __TI_flags+6(%r9),_TIF_SYSCALL
        lgf     %r8,0(%r7,%r10) # load address of system call routine
        jnz     sysc_tracesys
        basr    %r14,%r8        # call sys_xxxx
@@ -391,7 +392,7 @@ sysc_tracego:
        basr    %r14,%r8                # call sys_xxx
        stg     %r2,SP_R2(%r15)         # store return value
 sysc_tracenogo:
-       tm      __TI_flags+7(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT)
+       tm      __TI_flags+6(%r9),_TIF_SYSCALL
        jz      sysc_return
        la      %r2,SP_PTREGS(%r15)     # load pt_regs
        larl    %r14,sysc_return        # return point is sysc_return